Travelers flying to the U.S. from nearly 300 international airports, including those in Mexico and Canada, are now subject to stepped-up security measures that include stricter screening for electronic devices larger than ...

Laptops and tablets on U.S.-bound flights from Mexico will be subjected to heightened carry-on security measures beginning Wednesday at the request of the U.S. Department of Homeland Security, Mexican authorities announced.

The Homeland Security Department is demanding that airlines around the world step up security measures for international flights bound for the United States or face the possibility of a total electronics ban for planes.

The U.S. government is ordering passengers on nonstop, U.S.-bound flights from a handful of mostly Middle Eastern and North African countries to pack electronic devices other than cellphones in their checked baggage.

The Homeland Security Department warned Tuesday about an unusual cybersecurity flaw for one manufacturer's implantable heart devices that it said could allow hackers to remotely take control of a person's defibrillator or ...

After the U.S. government disclosed its first technical report publicly connecting Russia's intelligence services to U.S. hacking, the phones started ringing inside cybersecurity firm Rendition Infosec LLC.

Billions of fitness trackers, medical implants, surveillance cameras, home appliances, thermostats, baby monitors and computers in automobiles now are connected as part of a rapidly expanding "internet of things."